5.0L: Increase HP from 185 to 260 and torque from 270 lb./ft. to 344 lb./ft.5.8L: Increase HP from 200 to 281 and torque from 300 lb./ft. to 371 lb./ft.7.5L: Increase HP from 230 to 311 and torque from 385 lb./ft. to 450 lb./ft.